// Name:         Off-canvas
//
// Description:  Define style for off-canvas sidebar
//
// Component:    `.am-offcanvas`
//
// Sub-objects:  `.am-offcanvas-page`
//               `.am-offcanvas-bar`
//
// Modifiers:    `.am-offcanvas-bar-flip`
//
// States:       `.am-active`
//
// =============================================================================
// Variables
// =============================================================================
@offcanvas-dimmer-background: rgba(0, 0, 0, 0.15);
@offcanvas-bar-width: 270px;
@offcanvas-bar-background: #333;
@offcanvas-bar-border-color: darken(@offcanvas-bar-background, 5%);

/* ==========================================================================
   Component: OffCanvas Plugin
 ============================================================================ */


/* Off-canvas overlay and bar container */

.@{ns}offcanvas {
    display: none;
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    z-index: @z-index-offcanvas;
    background: @offcanvas-dimmer-background;
    .hook-offcanvas;
    &.@{ns}active {
        display: block;
    }
}


/**
 * .@{ns}offcanvas-page
 *
 * Prepares the whole HTML page to slide-out
 * 1. Fix the main page and disallow scrolling
 * 2. Side-out transition
 */

.@{ns}offcanvas-page {
    position: fixed;
    /* 1 */
    transition: margin-left .3s ease-in-out;
    /* 2 */
}


/* Sub-object .@{ns}offcanvas-bar */

.@{ns}offcanvas-bar {
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    z-index: @z-index-offcanvas + 1;
    width: @offcanvas-bar-width;
    max-width: 100%;
    background: @offcanvas-bar-background;
    overflow-y: auto;
    /* scrollable */
    -webkit-overflow-scrolling: touch;
    /* scrollable */
    transition: transform .3s ease-in-out;
    transform: translateX(-100%);
    &:after {
        content: "";
        display: block;
        position: absolute;
        top: 0;
        bottom: 0;
        right: 0;
        width: 1px;
        background: @offcanvas-bar-border-color;
        // box-shadow: 0 0 5px 2px rgba(0, 0, 0, 0.6);
    }
    .hook-offcanvas-bar;
}

.@{ns}offcanvas.@{ns}active
, .@{ns}offcanvas-bar.@{ns}offcanvas-bar-active {
    transform: translateX(0);
}


/* .@{ns}offcanvas-bar-flip */

.@{ns}offcanvas-bar-flip {
    left: auto;
    right: 0;
    transform: translateX(100%);
    &:after {
        right: auto;
        left: 0;
    }
}

.@{ns}offcanvas-content {
    padding: 15px;
    color: #999;
    a {
        color: #ccc;
    }
}

// Hooks
// ========================================================================
.hook-offcanvas() {}

.hook-offcanvas-bar() {}
